Gmat数学题：How many integers between 1 and 100,inclusive,can be

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Gmat数学题：How many integers between 1 and 100,inclusive,can be divided by none of 2,3,and

1到100 共100个数,
偶数能被2整除,有50个,扣掉
被5整除的找尾数是5 或10 就行,这里找尾数是5的（尾数是10的已经算在偶数内）有10个
被3整除的情况,每30一个周期,如 3 9 21 27； 33 39 51 57,发现规律没有?
所以是3*4+2=14个（最后两个是93和99）
所有情况是 100-50-10-14=26个

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